Database（Trial）

Wiley Online Library
Founded in the United States in 1807, Wiley is a globally recognised publisher with a history of more than 200 years of providing essential knowledge and services to professionals, researchers,…
超星汇雅电子书
Superstar Group, established in 1993, is the world's largest provider of Chinese digital book resources. Superstar eBooks, also known as Huayi eBook Database, encompass 22 major categories according…